基本界面达成

utils/config_parse.py

@@ -0,0 +1,71 @@
+import json
+import os
+from PyQt6.QtCore import QObject, pyqtSignal, QFileSystemWatcher
+
+
+class ConfigParse(QObject):
+    """配置文件解析与自动重载"""
+    config_changed = pyqtSignal(object)  # 发送自身实例
+
+    def __init__(self, config_file="config.json"):
+        super().__init__()
+        self.config_file = config_file
+        self.api_url = None
+        self.api_key = None
+        self.gcode_dir = None
+        self.move_axis_area = None
+        self.move_max_speed = None
+        self.config = self._load_config()
+        self._parse_config()
+
+        # 使用 QFileSystemWatcher 监视文件变化
+        self._watcher = QFileSystemWatcher(self)
+        self._watch_path = os.path.abspath(self.config_file)
+        self._last_mtime = 0
+        self._start_watching()
+
+    def _start_watching(self):
+        """启动文件监视"""
+        if not os.path.isfile(self._watch_path):
+            return
+        self._last_mtime = os.path.getmtime(self._watch_path)
+        if self._watch_path not in self._watcher.files():
+            self._watcher.addPath(self._watch_path)
+        self._watcher.fileChanged.connect(self._on_file_changed)
+
+    def _on_file_changed(self, path):
+        """文件变化时重新加载（防止保存中多次触发，用 mtime 去抖动）"""
+        try:
+            mtime = os.path.getmtime(path)
+            if mtime <= self._last_mtime:
+                return
+            self._last_mtime = mtime
+        except OSError:
+            return
+        
+        print("Config changed")
+
+        old_config = self.config
+        new_config = self._load_config()
+        if new_config == old_config:
+            return
+
+        self.config = new_config
+        self._parse_config()
+        self.config_changed.emit(self)
+
+    def _load_config(self):
+        try:
+            with open(self.config_file, "r") as f:
+                return json.load(f)
+        except Exception as e:
+            print(f"Error loading config: {e}")
+            return {}
+
+    def _parse_config(self):
+        self.api_url = self.config.get("api_url", None)
+        self.api_key = self.config.get("api_key", None)
+        self.gcode_dir = self.config.get("gcode_dir", None)
+        self.move_axis_area = self.config.get("move_axis_area", None)
+        self.move_max_speed = self.config.get("move_max_speed", {"x": 3000, "y": 3000, "z": 200})
+        self.move_max_speed = self.config.get("move_max_speed", None)